package com.czx.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class myBatisUtil {
    private static SqlSessionFactory sqlSessionFactory;
    static {
        try {
            //获取加载mybatis配置文件
            String resource="mybatis-config.xml";
            //流
            InputStream inputStream = Resources.getResourceAsStream(resource);
            //构建SqlSessionFactory
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public static SqlSession openSqlSession(){
        return sqlSessionFactory.openSession();

    }
}
